Sea To Summit Women's Flame FMIV Sleeping Bag, 890g

$869.99 $799.00



The new ultralight women's-specific Flame™ Series of sleeping bags are wider at the hip and narrower at the shoulder and designed to keep you as warm as possible while minimising packed weight and size.

The expedition-sized Flame FMIV is the warmest in the series. It combines more overall ULTRA-DRY Down™ 850+ loft premium goose down, a light-gauge #3 YKK® zip, high-performance 10D nylon shell and 7D lining fabrics and a contoured mummy shape for efficient insulation and superior performance.

Other features include a full box baffle construction to allow for extra down and reduce cold spots, vertical baffles over the torso for core warmth, a full-length zip and a draft tube, full hood and neck collar to keep in your warmth. An expedition weight mid-winter bag.

Weighs 890g and has temperature ratings ideal for cold winter climates with comfort -10°C and Lower limit -17°C 


  • Women's-specific contoured mummy shape for comfort and efficient insulation
  • Sizing provides extra room for shoulders and hips 
  • Expedition mummy bag sizing provides extra space for layered clothing or extra wriggle room
  • Responsible Down Standard 850+ Loft Premium Goose ULTRA-DRY Down™ for maximum insulation value
  • Ultralight 7D and 10D fabrics for minimal weight and packed size
  • Vertical chest baffles prevent down migration and cold spots
  • Uses a full box baffle construction to accommodate extra down and reduce cold spots
  • Full side zip with two sliders provides easy access and extra ventilation options
  • Zipper draft tube, hood and front neck draft collar to prevent warmth being lost when it's needed
  • Includes Ultra-Sil™ Nano Compression Bag for compact storage
  • Note that this bag is not designed to pair with another



  • Recommended User Height: up to 170 cm

  • Packed Dimensions: ø18 x 40 cm

  • Volume Compressed: 7.1 L 

  • Compression Sack Volume (Compressed): 10 to 3.3 L 

  • Weight: 890 grams

  • Fill Weight: 440 grams

  • Internal Chest Circumference: 150 cm

  • Internal Hip Circumference: 142 cm

  • Internal Foot Circumference: 90 cm

  • Shell and lining: 100% Nylon

  • Filling Material: GOOSE DOWN (Min. 90% Down)

  • Stuff sack: 100% Nylon

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